Class: SchemaFerry::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/schema_ferry/cli.rb

Overview

Minimal command-line interface: schema_ferry <apply|dry-run> [-c FILE]. #run returns a process exit code instead of calling Kernel#exit so the class stays testable.

Constant Summary collapse

DEFAULT_CONFIG_PATH = 
"Ferryfile"
COMMANDS = 
%w[apply dry-run].freeze

Instance Method Summary collapse

Constructor Details

#initialize(stdout: $stdout, stderr: $stderr) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/schema_ferry/cli.rb', line 13

def initialize(stdout: $stdout, stderr: $stderr)
  @stdout = stdout
  @stderr = stderr
end

Instance Method Details

#run(argv) ⇒ Object 



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# File 'lib/schema_ferry/cli.rb', line 18

def run(argv)
  args = parser.parse(argv)
  return print_and_succeed(parser.to_s) if @mode == :help
  return print_and_succeed(VERSION) if @mode == :version

  command = args.first
  return usage_error("missing command") if command.nil?
  return usage_error("unknown command: #{command}") unless COMMANDS.include?(command)

  run_command(command)
rescue Error, OptionParser::ParseError => e
  @stderr.puts "schema_ferry: #{e.message}"
  1
end